search
Technologies and
Solutions
Civil Engineering Technology
Offshore Wind
Architectural Technologies
Environmental Technologies
Technical Research Centers
Projects
Civil Engineering Works
Building Construction Works
Overseas Works
Company
Profile
Greetings
Corporate Identity and Code of Conduct
Health & Safety, Environmental and Quality Management System Policies
Company Profile
Directors, Auditors and Executive officers
Corporate Organization
History
Places of Business
Group Companies
Recruit
Career recruitment information for offshore wind section.
Sustainability
Toyo Construction Group’s Sustainability
Latest Integrated Report
Topics
General News
Technical News
IR News
TOYO HISTORY
Contact us
Language
日本語
ENGLISH
TOYO HISTORY
LANGUAGE
News Release
IR News
2025.12.15
Notice Regarding the Company’s Share Delisting from the Stock Exchange
[102KB: PDF]
IR News
2025.11.13
Notice Regarding the Approval of the General Meeting of Shareholder for Share Consolidation, Abolition of the Trading Share Unit Provision
[173KB: PDF]
IR News
2025.11.10
Historical Data(FY2023-FY2025)
IR News
2025.11.10
Summary of Consolidated Financial Results for the cumulative Second Quarter (Semi-annual Term) Ended September 30, 2025 Based on Japanese GAAP
[717KB: PDF]
IR News
2025.11.10
Supplemental Document April -September period of the Fiscal Year ending March 31, 2026
[1972KB: PDF]
IR News
2025.10.21
Convocation Notice of an Extraordinary General Meeting of Shareholders
[243KB: PDF]
IR News
2025.10.14
Notice Regarding the Cancellation of Treasury Shares
[110KB: PDF]
IR News
2025.10.14
Convening an Extraordinary General Meeting of Shareholders for Share Consolidation, Abolition of the Trading Share Unit
[263KB: PDF]
IR News
2025.10.02
Notice Regarding the Credit Rating Upgrade
[164KB: PDF]
IR News
2025.09.30
Notice Concerning Change of a Representative Director (Resignation) and Resignation of Directors
[144KB: PDF]
General News
IR News
Technical News
movie
Career recruitment information for offshore wind section.
Toyo Construction Group’s
Sustainability.
Latest
Integrated Report
Projects
Civil Engineering Works
Building Construction Works
Overseas Works
Building Construction Works
Oshima Hospital Psychiatry and Neurosurgery Wards
Building Construction Works
Hotel Maihama Eurasia
Building Construction Works
Sakai-Minato Symphony Garden
Building Construction Works
Lions Hills Kami-Ikedai
Building Construction Works
Ustunomiya Junior College
Overseas Works
Pantal Bridge for Urgent Bridges Construction Project for Rural Development, Package Ⅲ
Civil Engineering Works
Tohoku Shinkansen Oirase Viaduct
Overseas Works
Mallacca & Singapore, Vessel Traffic System, Phase 2
Building Construction Works
Daiwa Corporation Shin-Yamashita Office
Building Construction Works
Aida Memorial Rehabilitation Hospital
Technologies and Solutions
Civil Engineering Technology
Offshore Wind
Architectural Technologies
Environmental Technologies
Technical Research Institute
Port and Harbor/Offshore/Coastal Structures
Concrete Filling Detection System: Jutenda
Technologies and Solutions-Civil Engineering Technology
Concrete Filling Detection System with Compaction Detection Function: Jutenda II
Technologies and Solutions-Offshore-Wind
Floating Wind: Tension Leg Platform (TLP)
Liquefaction Prevention Measures
Static Densification Pile Construction Method: SDP-N Construction Method
Port and Harbor/Offshore/Coastal Structures
Detached Breakwater of Gravity Type: Barrier-Win
Trends
Medium- to Long-Term Repair Planning Calculation System
Hydraulic Engineering Research Facilities
Wave Basin with Multidirectional Random Wave Generator
Ground Improvement
SGM Lightweight Soil Construction Method
Construction Technologies Using Work Ships
Deep Cement Mixing Construction Method: DCM Construction Method
Construction Technologies Using Work Ships
Floating Pier Reclamation Construction Method
TOYO HISTORY
First Period
From the founding of the Company to the end of the Second World War
Second Period
From the end of WWII to 1965
Third Period
1965-1975
Fourth Period
1975-1984
Fifth Period
1985-1998
Sixth Period
1998 to the present
Read more
Language
日本語
ENGLISH
Search